Access china-pipes.com. VASEN伟星伟星新材伟星管业地暖水暖 PPR/PE/PVC水管咖乐防水星管家，防水涂料，前置过滤器-VASEN伟星

name

value

score

weighting

FCP (First Contentful Paint)

Value10.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.4 s

0/100

25%

SI (Speed Index)

Value19.8 s

0/100

10%

TBT (Total Blocking Time)

Value5,320 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.976

2/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

china-pipes.com

670 ms

www.vasen.com

653 ms

reset.css

221 ms

style.css

442 ms

page.css

610 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original China-pipes.com, 87% (77 requests) were made to Vasen.com and 3% (3 requests) were made to Qiyukf.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source S4.cnzz.com.

Content Size

4.8 MB

After Optimization

4.4 MB

In fact, the total size of China-pipes.com main page is 4.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 55.1 kB

Original 68.9 kB
After minification 57.6 kB
After compression 13.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 11.3 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 55.1 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 195.6 kB

Original 4.5 MB
After minification 4.3 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Chinapi PE S images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 126.5 kB

Original 193.4 kB
After minification 180.5 kB
After compression 66.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 126.5 kB or 65% of the original size.

CSS Optimization

-64%

Potential reduce by 41.8 kB

Original 64.9 kB
After minification 49.3 kB
After compression 23.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. China-pipes.com needs all CSS files to be minified and compressed as it can save up to 41.8 kB or 64% of the original size.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinapi PE S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China-pipes.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that China-pipes.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

china-pipes.com

Open Graph description is not detected on the main page of Chinapi PE S. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

VASEN伟星 伟星新材 伟星管业 地暖水暖 PPR/PE/PVC水管 咖乐防水 星管家，防水涂料，前置过滤器-VASEN伟星

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

china-pipes.com

www.vasen.com

reset.css

style.css

page.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

china-pipes.com

www.vasen.com

reset.css

style.css

page.css

2018pcstyle.css

jquery-1.11.3.js

jquery.easing.1.3.js

jquery.transit.js

html5.min.js

bocfe.js

plug.preload.js

main.js

banner.js

jquery.mousewheel.js

idangerous.swiper.css

idangerous.swiper.min.js

jweixin-1.2.0.js

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VASEN伟星伟星新材伟星管业地暖水暖 PPR/PE/PVC水管咖乐防水星管家，防水涂料，前置过滤器-VASEN伟星